Table 3 Linear and angular variables of the hard and soft tissue
Reference mark | Definition |
|---|---|
Linear variables (mm) | |
Cheilion width | Distance between cheilion of the one side and the other side |
Upper lip height | Distance between Ls and Stm |
Lower lip height | Distance between Li and Stm |
Upper lip vermilion length | Distance between Ch(Rt) and CBP Rt and Ls and CBP Lt and Ch(Lt) |
Lower lip vermilion length | Distance between Ch(Rt) and LLBP Rt and Li and LLBP Lt and Ch(Lt) |
Angular variables (°) | |
UL prominence angle | Angle constructed among Ch, Ls, and Ch |
LL prominence angle | Angle constructed among Ch, Li, and Ch |
Stomion prominence angle | Angle constructed among Ch, Stm, and Ch |
Lateral upper lip prominent angle 1 | Angle constructed among Sn, Ls, and UP in lateral view |
Lateral upper lip prominent angle 2 | Angle constructed among Ls, UP, and Stm in lateral view |
Lateral lower lip prominent angle 1 | Angle constructed among Stm, LP, and Li in lateral view |
Lateral lower lip prominent angle 2 | Angle constructed among LP, Li, and Ln in lateral view |